Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10753497 | Shutoff-opening device | Keisuke Ishibashi, Michio Yamaji, Takashi Funakoshi, Hidenori Kiso, Tsuneyuki Okabe +2 more | 2020-08-25 |
| 10731763 | Valve element and high-temperature-oriented valve | Keisuke Ishibashi, Michio Yamaji | 2020-08-04 |
| 10711902 | Flow dividing valve | Keisuke Ishibashi, Tadayuki Yakushijin, Michio Yamaji, Ryousuke Dohi, Yoshinori Shimomura +1 more | 2020-07-14 |